Gregory D. Email & Phone Number

Washington D.C. Metro Area

As a Lead Security Engineer I leveraged my technical background in Systems Engineering/Operations and Agile practices to establish a security operations team with a focus on collaboration with development teams and tooling integration with the Devops pipeline.The SecOps team focused on several key areas: Web Application Vulnerability Detection and Management, Secure Cloud Configuration Management, WAF Configuration Management, and Container Security.Major accomplishments include:* AppSec: Established a web application security program to include basic reconnaissance, inventory, automated scan configuration, high level vulnerability assessment, and remediation tracking for over 60 different web applications using Acunetix and Burp Suite* Container Security: Enforced security best practices for Docker containers through the use of approved Docker base images and continuous scanning of all container images for known vulnerabilities and misconfigurations in a CI/CD pipeline leveraging both open source and commercial tools such as AquaSec and Prisma.* Cloud Configuration Management: Implementation of a cloud configuration monitoring solution with automated remediation of cloud resource configuration based on a set of defined guardrails.

Washington, Dc

As a Lead Systems Engineer with a growing technical background I served as a primary contact for various teams within the company including Product Development, Legal, and IT Operations. I led the adoption of Agile practices to aid in prioritizing project and operational tasks leading to improved service for our customers. Major accomplishments include:* Serving a lead role on a small cross-functional team we were tasked with leveraging cloud services to augment our on-premise web application server environment in order to handle the potential for increased load for our company's first Super Bowl commercial spot. We leveraged AWS CloudFormation to build scale-up and scale-out server infrastructure in AWS ec2 with VPCs across six AWS regions fronted by Akamai's CDN and WAF.* Established and implemented an overall structure for AWS Accounts as a means to group workloads with a common business purpose to support the company's future launch into the AWS cloud. This effort involved automated account creation along with establishing Guardrails for for security, operations, and compliance in coordination with the DevOps Development, and Security teams with the goal of achieving least privilege access.* Led various efforts around the extraction, migration, and integration of systems and infrastucture as a result of numerous corporate acquisitions. These efforts typically involved coordination with multiple Dev and IT teams to migrate corporate email, file services, identity management, server infastructure and other disparate backend systems. This tends to be a complex process but eventually leads to improved collaboration and simplified application of corporate security and configuration standards.* Implemented an automated patch management solution to distribute and deploy operating system and application updates to over 6000 Windows and Linux servers on a monthly recurring basis while minimizing downtime and improving CoStar's endpoint security posture.

Washington, Dc

Senior Member of a Systems and Network Operations team supporting Corporate and Production Application Server infrastructure in multiple data centers nationwide.* Responsible for deployment, management and maintenance of physical and virtual servers and backend storage in a multi-site VMWare, Windows and Active Directory environment.* Deployment, maintenance, and storage capacity planning and management for a multi-site NetApp NAS hosting 100s of TB of building imagery for our flagship products.* Primary messaging administrator supporting Exchange and anti-virus/anti-spam security solutions* Overhauled user account provisioning on behalf of the service desk to reduce account conflicts between various domains, reduce overhead time for account creation, and improve accuracy.* Improved the on-call program at CoStar across all teams including DBAs, DevOps, Network, Systems, through monitoring enhancements Server and Application monitoring platforms plus the implementation of PagerDuty. The monitoring enhancements resulted in fewer false alarms and unnecessary pages. PagerDuty allowed teams to utilize granular scheduling, empowering on-call teams to leverage the global reach of globally distributed based staff.* Apple/Mac/iOS integration specialist* Built-out and supported a multi-server Citrix XenApp farm to support legacy applications not designed for a distributed network environment over high latency connections to enable expansion of CoStar research teams across the globe.* Implemented a VDI solution to support a rapid onboarding of contractor staff for various development initiatives to reduce the lead time for deploying new contractor VMs from hours to minutes.

Bethesda, Md

Primary responsibilities included:- Purchasing, deploying, & maintaining laptops and providing end-user support for field sales team and executive level staff- Providing end-user training (VPN, Citrix application access, etc) to new sales team employees- Maintaining and Supporting Citrix Metaframe Presentation Server 3.x and Windows NT Server farm- Responsible for various administrative tasks and server support in a Windows NT 4.0/Exchange 5.x server environment

Washington D.C. Metro Area

Provided IT Services and Maintenance on an on-call basis in addition to serving as a Systems Administrator on long term contracts for various clients in the DC Metro area for a growing IT consulting firm.- Led team of technicians to provide help-desk service and end-user support for 300+ employees- Performed administration level tasks on several network operating systems (Windows 3.1, Windows 95/98, Windows NT Server, Novell Netware)-Recommended, purchased, and installed desktop computer and network hardware-Maintained daily server backups at client sites-Created and maintained several Lotus Notes databases for equipment inventory, network documentation, and help desk ticketing-Provided hardware and operating systems support for Compaq servers